Zate Ransomware (.zate Files)

Zate Ransomware uses the Salsa20 encryption algorithm. This STOP/Djvu family is one of the most popular infection!

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Trojan Killer, Trojan Scanner.

About Zate Ransomware:


NameZate Virus
Version0600
File Extenstion.zate
Contact[email protected], [email protected]
FamilySTOP/Djvu Ransomware
Note_readme.txt
Offline IDVW11mMMPfxPTr0epvPSw1m6GBzcKFb3H2Lm2nyt1
Last seenNovember 12, 2022
AlgorithmSalsa20 encryption. If Zate cannot establish a connection to crooks server before starting the encryption process, it uses the offline key. This key is the same for all victims(!), making it possible to decrypt .zate files in the future.
RansomFrom $490 to $980 (in Bitcoins)
Damage
  1. โฎž Can delete Volume Shadow copies to make victimโ€™s attempts to restore data impossible;
  2. โฎž Adds a list of domains to HOSTS file to block access to certain security-related sites;
  3. โฎž Installs password-stealing Trojan, like Redline Stealer, Vidar Stealer, Smokeloader, Azorult and others;
DistributionThird-party downloaders, installers, peer-to-peer networks, RDP exploits, etc.,
RSA Public Key-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2vSEIj+/WV3ULZx0nr1w LXjAgHjUAzDFK3Oa4jOVUdUqZlkp8834w2g4sZXgPyORi3Vo5Mb4/kpmCEOtsGN5 1x2WwE/vqFpXJ0s8IGzjAucN4O3B5HOHLrldCDi++yO/yS1ZfYyewwHRYXL0TfWX Z8EX8s8PhK5C++CxWXvCfxb1vWDSNpBk07pBHt2z0MbfHkddal6kVwaaMWmwCx5W axtGJnuXJQDHqUWge473hZsq336E03hEqB1Td9tSl8CwnoYrzKUAihXUQspggQ+f aQZRWqDQq0uGaiN+BlupnLLZM97OUtkEudtxoSxd4HRjX+rT6Qxwq5pPCeuSILsW fwIDAQAB -----END PUBLIC KEY-----
Other variants
  • Zatp Ransomware (.zatp encrypted files)
  • Bozq Ransomware (.bozq encrypted files)
  • Bowd Ransomware (.bowd encrypted files)
  • Zate Ransomware (.zate Files) - What is it? Keep Your Privacy Well

    Zate ransomware is an example of a STOP/Djvu ransomware family. It encrypts your files with the Salsa20 cipher and adds to it a .zate extension. These files cannot be opened in any usual way. Besides the file encryption, this malware also adjusts system settings to weaken its protection mechanism. The alterations it does may lead to system failures in the future and make the computer harder to use regularly.

    The cipher the Zate ransomware uses is strong enough to prevent its hacking with brute force. However, there are too many possible keys, so generating them is impossible, and checking if one fits your case is impossible. Some of the decryptor programs that contain the already compromised keys can give you a small chance to get your files back. However, much more danger hides in the changes done by ransomware to your system configurations. The inability to install the programs or open certain websites is critical, especially if you have no important data or backup.

    Preventing ransomware injection is the best way to deal with it once and for all. Most of Zate virus injection cases are related to hacking programs and outlaw software. Those programs are usually spread through peering networks and third-party websites, a.k.a. โ€œsoftware collectorsโ€. All programs stored there are offered for free since they were hacked, and their license-checking procedure was disabled. But there is no problem for the hackman to add malicious code to the program he hacks. They are paid for this, so their motivation is easy to understand.

    Encryption process

    The Zate ransomware uses the Salsa20 encryption algorithm. That is not the strongest method, but it still provides an overwhelming amount of possible decryption keys. To brute force the 78-digit number of keys, you need 3.5 unvigintillion years (1*10^65), even if you use the most powerful regular PC. Quantum computers can show a bit better results, but it is still too slow to get your files back while you are alive.

    The exact algorithm of encryption is next: malware scans each folder for the files it is able to encrypt. Then, when it finds the target, it makes a copy of your file, removes the original one, encrypts the copy and leaves it instead of the removed original. Such a procedure is done to prevent the situation when you have already opened the file, so ransomware is not able to read it because of the Windows restrictions. To each encrypted copy, the virus adds the specific extension - ".zate". Then, ransomware creates a _readme.txt file in the folder where the encrypted file is located, and goes to the next folder.

    .ZATE Files

    Such an encryption method can be exploited for file recovery. Since the original file is deleted, you may try to recover it using the file recovery tools. The less time is passed - the bigger the chance to get your files back, so hurry up!

    Another specific moment that can help you to use the files even after the encryption is the fact that Zate ransomware encrypts only the first 150KB of each file. Hence, you can try to run a big file, such as video or music, without the encryption. Similar feature also works with other ransomware families - Dharma, Conti and Makop encrypt the same 150KB.

    Ransom note: _readme.txt

    Ransom note is the same for the whole ransomware family. In fact, it is one of the main signs of to which family the certain ransomware belongs. Here is the typical note for STOP/Djvu family:

    ATTENTION!

    Don't worry, you can return all your files!
    All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key.
    The only method of recovering files is to purchase decrypt tool and unique key for you.
    This software will decrypt all your encrypted files.
    What guarantees you have?
    You can send one of your encrypted file from your PC and we decrypt it for free.
    But we can decrypt only 1 file for free. File must not contain valuable information.
    You can get and look video overview decrypt tool:
    https://we.tl/t-XIH9asXhHQ
    Price of private key and decrypt software is $980.
    Discount 50% available if you contact us first 72 hours, that's price for you is $490.
    Please note that you'll never restore your data without payment.
    Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours.


    To get this software you need write on our e-mail:
    [email protected]

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    [email protected]

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    Indicators of Compromise(IOC)

    File NameMD5File Size
    ๐Ÿ“œ SAMPLE.EXE28f81b0cb82471dbf9d119bc86559fe7293376
    ๐Ÿ“œ SAMPLE.EXEd9e025a3c7e00f72a63c470f7bdb89d31273856
    ๐Ÿ“œ SAMPLE.EXEe9b7c85c3e551f290cac927eeef30c5c293376
    ๐Ÿ“œ SAMPLE.EXEa40602f46468a351e0549599dbb81d85292864
    ๐Ÿ“œ SAMPLE.EXE20ea5b4492e84b6a91c4b7a55e9637bf1273856
    ๐Ÿ“œ SAMPLE.EXE728cadc487ea5f0470bc4b7837fdd966293376
    ๐Ÿ“œ SAMPLE.EXE31fdff166d9a1b5b391a04d8c32d3d2e292864
    ๐Ÿ“œ SAMPLE.EXE6843c59f36049c4995bb8b8d7388c480292352
    ๐Ÿ“œ SAMPLE.EXEfae66e8ed0befe8bc3f2f7d3d9c155461273856
    ๐Ÿ“œ SAMPLE.EXEae726b9276b32340faf8fbc2d5035303292864